The famed 1 to 5 Saffir-Simpson hurricane scale, which only measures wind speed, may not the best way to gauge a storm’s ferocity, experts say. Hurricane Florence was ‘downgraded,’ even though it was becoming more dangerous.

The famed 1 to 5 Saffir-Simpson hurricane scale, which only measures wind speed, may not the best way to gauge a storm’s ferocity, experts say. Hurricane Florence was ‘downgraded,’ even though it was becoming more dangerous.